I think the correct answer is c please don’t be mad if I am wrong❤️
2+3x7-32x64-8+764x33398x986+12=
25158844971
I think the answer is for A the explanation is that x represent the amount of time or second that you spend in an elevator and y represent the numbers of floors that the building have.
See the attached photos.
Wrote this out pretty messy, sorry!